Here's some Aikido techniques. Aikido is a non-aggressive martial art, which merely utilizes your attacker's force to defeat him, thus it is anyone can do it. Since it doesn't initiate any attacks, it is much better than other means.
http://www.dc.indymedia.org/front.php3?article_id=7643
Either this is the wrong URL or somebody at geocities doesn't like your website.